Bible Dictionaries
Obsecration

Webster's Dictionary

(1):

(n.) The act of obsecrating or imploring; as, the obsecrations of the Litany, being those clauses beginning with "By."

(2):

(n.) A figure of speech in which the orator implores the assistance of God or man.

Bibliography Information
Webster, Noah. Entry for 'Obsecration'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/obsecration.html. 1828.